<?php
/*
 *    Copyright 2012-2016 Youzan, Inc.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

namespace Zan\Framework\Utilities\Types;


class Enum {

    protected static $enum = null;

    public static function toArray()
    {
        return static::getConstants();
    }

    public static function getConstants()
    {
        if (static::$enum) {
            return static::$enum;
        }
        $oClass = new \ReflectionClass(static::class);
        static::$enum = $oClass->getConstants();
        return static::$enum;
    }
}